Trying to look for some input on my bike. I have 09 crf450r and I am having some starting issues. Replaced the cam a few months ago due to the fact I lost my detent in the old one. Timing is on, valves are in spec. The bike will sometimes start fine 2nd or 3rd kick, other times I will kick it for a while with no start and sometimes back fires. Double checked timing and valve clearance. I've read several different things it could be. Looking for a little help.

Thanks in advance.

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